BIOL 351 FINAL EXAM 2026-2027 QUESTIONS
AND CORRECT ANSWERS GRADED A+
E
If donor and recipient bacteria were mixed together in medium that contains
RNase, which mechanism of horizontal gene transfer would be directly affected?
A. conjugation
B. transformation
C. transduction
D. conjugation, transformation, and transduction should all be affected
E. none of these mechanisms (conjugation, transformation, and transduction)
should be affected
D
On which of the following media would a Trp+ (tryptophan+) amino acid
prototroph GROW?
A. minimal medium
B. minimal medium plus tryptophan
C. minimal medium plus all twenty amino acids
D. all of the above media
E. the media listed in answers B and C
A
,Which of the following contains a six-nucleotide nucleic acid palindrome in
double-stranded DNA form?
A. GAATTC
B. CGCCGC
C. GATTAG
D. GCAGCA
E. none of the above
A
Which of the following regarding Dictyostelium is TRUE?
A. it can switch from unicellular to multicellular behavior using cAMP as a signal
B. sentinel cells use trichocysts to destroy pathogens or toxins within the slug
C. this slime mold is a fungus
D. the slug generates a fruiting body that allows Dictyostelium mycelia to spread
to a new area
E. none of the above statements are true
C
,Nutritionally, fungi may best be characterized as:
A. photoorganoautotrophs
B. chemoorganoautotrophs
C. chemoorganoheterotrophs that extracellularly digest materials needed for
growth
D. chemolithoautotrophs
E. plants without chloroplasts
D
The term "dimorphic fungus" refers to the fungus's:
A. producing two different kinds of spores
B. growing in either rough or smooth forms
C. ability to take up two morpholino compounds
D. growing either in yeast form or filamentous (mold) form
E. ability to fuse with another fungus
B
Location of mRNA synthesis for asexual growth of Paramecium
A. trichocyst
B. macronucleus
C. micronucleus
, D. cilia
E. contractile vacuole
A
Cell structure that is used for defense in Paramecium
A. trichocyst
B. macronucleus
C. micronucleus
D. cilia
E. contractile vacuole
D
Cell structure that is used for Paramecium motility (movement)
AND CORRECT ANSWERS GRADED A+
E
If donor and recipient bacteria were mixed together in medium that contains
RNase, which mechanism of horizontal gene transfer would be directly affected?
A. conjugation
B. transformation
C. transduction
D. conjugation, transformation, and transduction should all be affected
E. none of these mechanisms (conjugation, transformation, and transduction)
should be affected
D
On which of the following media would a Trp+ (tryptophan+) amino acid
prototroph GROW?
A. minimal medium
B. minimal medium plus tryptophan
C. minimal medium plus all twenty amino acids
D. all of the above media
E. the media listed in answers B and C
A
,Which of the following contains a six-nucleotide nucleic acid palindrome in
double-stranded DNA form?
A. GAATTC
B. CGCCGC
C. GATTAG
D. GCAGCA
E. none of the above
A
Which of the following regarding Dictyostelium is TRUE?
A. it can switch from unicellular to multicellular behavior using cAMP as a signal
B. sentinel cells use trichocysts to destroy pathogens or toxins within the slug
C. this slime mold is a fungus
D. the slug generates a fruiting body that allows Dictyostelium mycelia to spread
to a new area
E. none of the above statements are true
C
,Nutritionally, fungi may best be characterized as:
A. photoorganoautotrophs
B. chemoorganoautotrophs
C. chemoorganoheterotrophs that extracellularly digest materials needed for
growth
D. chemolithoautotrophs
E. plants without chloroplasts
D
The term "dimorphic fungus" refers to the fungus's:
A. producing two different kinds of spores
B. growing in either rough or smooth forms
C. ability to take up two morpholino compounds
D. growing either in yeast form or filamentous (mold) form
E. ability to fuse with another fungus
B
Location of mRNA synthesis for asexual growth of Paramecium
A. trichocyst
B. macronucleus
C. micronucleus
, D. cilia
E. contractile vacuole
A
Cell structure that is used for defense in Paramecium
A. trichocyst
B. macronucleus
C. micronucleus
D. cilia
E. contractile vacuole
D
Cell structure that is used for Paramecium motility (movement)
